CN104300493A - Intelligent leakage protection device - Google Patents
Intelligent leakage protection device Download PDFInfo
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- CN104300493A CN104300493A CN201410486974.5A CN201410486974A CN104300493A CN 104300493 A CN104300493 A CN 104300493A CN 201410486974 A CN201410486974 A CN 201410486974A CN 104300493 A CN104300493 A CN 104300493A
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- intelligent
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- protective device
- electric leakage
- leakage protective
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Abstract
The invention relates to a leakage protection device, in particular to an intelligent leakage protection device. The intelligent leakage protection device comprises an intelligent module unit, a relay, a mutual inductor, an operating mechanism and the like. The intelligent module unit is connected with the secondary parts of elements such as the relay and the mutual inductor, faults are judged by collecting voltage and current signals, and the operating mechanism serves as the switch breaking part. The intelligent leakage protection device has the phase splitting detection function and the intelligent breaker function, and the rated current and the short circuit breaking time can be adjusted in a multi-gear mode. The intelligent leakage protection device has the automatic reclosing function and the locking function. A protector is automatically switched on in terms of protector actions caused by impermanent faults, and the protector is switched off in terms of protector actions caused by repeated faults or permanent faults. In addition, the intelligent leakage protection device is attractive and compact in structure and convenient to install and use.
Description
Technical field
The present invention relates to a kind of earth leakage protective device, be specifically related to a kind of Intelligent electric leakage protective device.
Background technology
Earth leakage protective device is used to prevent from the person from getting an electric shock and leak electricity causing a kind of earth protective device of accident; when circuit or power consumption equipment leakage current are greater than the setting value of device; or people, animal generation Danger Electric shock risk time; it can action rapidly; cut off emergency power supply; avoid the expansion of accident, ensure the safety of the person, equipment.Therefore, earth leakage circuit-breaker correctly to select with maintenance management work be major technique, the control measures of doing safety utilization of electric power well.
Earth leakage protective device is in the market simple residual current circuit breaker or moulds shell switch, does not claim Intelligent electric leakage to protect, function singleness, and electric current gear is non-adjustable, does not have malfunction coefficient and query function, is not much also with communication interface.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Intelligent electric leakage protective device.
For solving the problems of the technologies described above; a kind of Intelligent electric leakage protective device of the present invention; comprise intelligent object unit, relay, instrument transformer and operating mechanism etc.; intelligent object unit is connected with the components and parts such as relay, instrument transformer two second part; carry out failure judgement by gathering voltage and current signal, operating mechanism is as switch disjunction part.
Adopt a kind of Intelligent electric leakage protective device of technique scheme, there is single-phase monitoring and intelligent breaker function, rated current and the short circuit breaking time many grades adjustable; There is automatic reclosing and blocking function: the protector action that impermanency fault is caused, protector automatic closing; To the protector action that repeated fault or permanent fault cause, protector is by locking; There is fault inquiry function: protector has fault inquiry function, all previous time of failure, fault occurrence reason and fault current magnitude of voltage etc. can be inquired about; There is leak current fault diagnostic function: electric leakage phase place and leakage current value (and automatically preserving time and the related data of fault generation) after there is leak current fault action, can be shown; There is load monitoring function: can monitoring circuit electric current, voltage and leakage current in real time.In addition, unit protection function and parameter can be arranged.
Adopt a kind of Intelligent electric leakage protective device of technical solution of the present invention, apparatus, with 485 mouthfuls and passive contact, can with other product conbined usage, realize power supply automatic switching, and apparatus structure is attractive in appearance compact, easy to install.This product has filled up the blank in Intelligent electric leakage protection field, is to be integrated with leakage relay, circuit breaker and instrument transformer in the multifunctional intellectual earth leakage protective device of one, solves old-fashioned residual current circuit breaker function singleness, the leftover problems such as electric current gear is non-adjustable.
Accompanying drawing explanation
Fig. 1 is the typical apply winding diagram of Intelligent electric leakage protective device of the present invention.
In figure, 1-distribution transformer, 2-intelligent electricity leakage protector, 3-grounding wire device.
Embodiment
Below in conjunction with drawings and Examples, technical solution of the present invention is further illustrated:
As shown in Figure 1; the typical apply winding diagram of Intelligent electric leakage protective device; Intelligent electric leakage protective device comprises intelligent object unit, relay, instrument transformer and operating mechanism etc.; intelligent object unit is connected with the components and parts such as relay, instrument transformer two second part; carry out failure judgement by gathering voltage and current signal, operating mechanism is as switch disjunction part.This product 485 communication interface and external control contact can with fire-fighting equipment, electric instrument, load monitoring equipment conbined usage, the automatic perfect switching of equipment electricity consumption can be accomplished.
Claims (9)
1. an Intelligent electric leakage protective device; it is characterized in that: comprise intelligent object unit, relay, instrument transformer and operating mechanism; intelligent object unit is connected with the components and parts such as relay, instrument transformer two second part; carry out failure judgement by gathering voltage and current signal, operating mechanism is as switch disjunction part.
2. a kind of Intelligent electric leakage protective device according to claim 1, is characterized in that: described device has single-phase monitoring and intelligent breaker function, rated current and the short circuit breaking time many grades adjustable.
3. a kind of Intelligent electric leakage protective device according to claim 1, is characterized in that: described device has automatic reclosing and blocking function: the protector action caused for impermanency fault, protector automatic closing; To the protector action that repeated fault or permanent fault cause, protector is by locking.
4. a kind of Intelligent electric leakage protective device according to claim 1, is characterized in that: described device has fault inquiry function, can inquire about all previous time of failure, fault occurrence reason and fault current magnitude of voltage etc.
5. a kind of Intelligent electric leakage protective device according to claim 1; it is characterized in that: described device has leak current fault diagnostic function; electric leakage phase place and leakage current value can be shown after there is leak current fault action, and automatically preserve time and the related data of fault generation.
6. a kind of Intelligent electric leakage protective device according to claim 1, is characterized in that: described device has load monitoring function, can monitoring circuit electric current, voltage and leakage current in real time.
7. a kind of Intelligent electric leakage protective device according to claim 1, is characterized in that: described unit protection function can arrange open and close and the earth leakage protective pattern of under-voltage, overvoltage protection, open-phase protection, automatic reclosing, leakage pre-alarm.
8. a kind of Intelligent electric leakage protective device according to claim 1; it is characterized in that: described device has Protection parameters and arranges function, under-voltage, overvoltage, automatic reclosing time, leakage pre-alarm, residual action current, residual current break-time, rated operational current, short circuit setting current, overload operate time and communication baud rate and address all can be arranged.
9. a kind of Intelligent electric leakage protective device according to claim 1, is characterized in that: described 485 mouthfuls, Intelligent electric leakage protective device band and passive contact, can with other product conbined usage, realize power supply automatic switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410486974.5A CN104300493A (en) | 2014-09-22 | 2014-09-22 | Intelligent leakage protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410486974.5A CN104300493A (en) | 2014-09-22 | 2014-09-22 | Intelligent leakage protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104300493A true CN104300493A (en) | 2015-01-21 |
Family
ID=52320125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410486974.5A Pending CN104300493A (en) | 2014-09-22 | 2014-09-22 | Intelligent leakage protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104300493A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105572530A (en) * | 2015-12-11 | 2016-05-11 | 国网北京市电力公司 | Electric leakage detection device |
| CN106405322A (en) * | 2015-07-31 | 2017-02-15 | 本德尔有限两合公司 | Expanded method and device for search of insulation faults by utilizing multi-functional testing current |
| CN116435971A (en) * | 2023-04-27 | 2023-07-14 | 合肥惟新数控科技有限公司 | Method for preventing overload ignition of cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255278A (en) * | 2011-07-01 | 2011-11-23 | 河北工业大学 | Comprehensive leakage protector |
| CN202059148U (en) * | 2011-04-18 | 2011-11-30 | 颜福随 | Leakage protector suitable for data communication |
| CN102510128A (en) * | 2011-10-27 | 2012-06-20 | 王成楷 | Intelligent electric leakage remote monitoring protector of low-voltage power grid |
| CN103427394A (en) * | 2013-09-06 | 2013-12-04 | 天津华宁电子有限公司 | Mining flame-proof type selective leakage protector |
-
2014
- 2014-09-22 CN CN201410486974.5A patent/CN104300493A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202059148U (en) * | 2011-04-18 | 2011-11-30 | 颜福随 | Leakage protector suitable for data communication |
| CN102255278A (en) * | 2011-07-01 | 2011-11-23 | 河北工业大学 | Comprehensive leakage protector |
| CN102510128A (en) * | 2011-10-27 | 2012-06-20 | 王成楷 | Intelligent electric leakage remote monitoring protector of low-voltage power grid |
| CN103427394A (en) * | 2013-09-06 | 2013-12-04 | 天津华宁电子有限公司 | Mining flame-proof type selective leakage protector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405322A (en) * | 2015-07-31 | 2017-02-15 | 本德尔有限两合公司 | Expanded method and device for search of insulation faults by utilizing multi-functional testing current |
| CN106405322B (en) * | 2015-07-31 | 2020-09-29 | 本德尔有限两合公司 | Method and apparatus for extended insulation fault search using multifunctional test current |
| CN105572530A (en) * | 2015-12-11 | 2016-05-11 | 国网北京市电力公司 | Electric leakage detection device |
| CN116435971A (en) * | 2023-04-27 | 2023-07-14 | 合肥惟新数控科技有限公司 | Method for preventing overload ignition of cable |
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Legal Events
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150121 |
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| WD01 | Invention patent application deemed withdrawn after publication |